Lg Electronics Inc.

Korea Advanced Institute of Science and Technology

Samsung Electronics Co., Ltd.

Yonsei University

Electronics and Telecommunications Research Institute

Other

Korea University Research and Business Foundation

Sk C&c

Jiwon Kang

Kilbom Lee

Hyungtae Kim

Jonghyun Park

Kijun Kim

Heejin Kim

Kyuseok Kim

Haewook Park

KiTae Kim

Jaehoon Chung

Ilmu Byun

Sungho Park

Hyunsoo Ko

Heejeong Cho

Seongwon Go

Genebeck Hahn

Kunil Yum

Suckchel Yang

Sukhyon Yoon

Sunam Kim

Minki Ahn

Kukheon Choi

Kungmin Park

Jinyoung Chun

Binchul Ihm

Hyunjin Shim

Kitae Kim

Hangyu Cho

Seonwook Kim

Dongguk Lim

Eunjong Lee

Dongcheol Kim

Hanbyul Seo

Joonkui Ahn

Jiwoong Jang

Eunsun Kim

Hyunsu Cha

Yunjung Yi

Hyunho Lee

Daesung Hwang

Sangrim Lee

Kilborn Lee

Kyungmin Park

Youngtae Kim

Wookbong Lee

Kyujin Park

Inkwon Seo

Jinmin Kim

Seungmin Lee

Jinsoo Choi

Byounghoon Kim

Hanjun Park

Duckhyun Bae

Soocheol Kyeong

Kyunghaeng Lee

Changhwan Park

Eunsung Park

Kunii Yum

Youngdae Lee

Giwon Park

Hyeyoung Choi

Hyukjin Chae

Sangwook Lee

Sae-Young Chung

Bin Chul Ihm

Sunyoung Lee

Bonghoe Kim

Kwangseok Noh

Seunggye Hwang

Dongkyu Kim

Kyungjun Choi

Jongmin Baek

Dong Seung Kwon

Sanghoon Ahn

Wookyung You

Naein Lee

Young Seog Song

Chungyong Lee

Byunghee Kim

Byung-Kwon Cho

Choongil Yeh

Hak-Sun Lee

Vietha Nguyen

YoungWoo Cho

Dongku Kim

Songyi Han

Jiwon Yun

Seunghee Han

Jaehyung Kim

Hojae Lee

Moonil Lee

Sechang Myung

Minseok Noh

Jeongsu Lee

Jeongyun Heo

Inkyu Lee

Jeonggu Lee

Minho Yang

Kwang Soon Kim

Yonghyun Park

Disclosed is a method for performing, by a UE, carrier aggregation (CA) via a first carrier wave and a second carrier wave, on the basis of switching of a transmission chain, in a wireless communication system according to various embodiments. Disclosed are the method and apparatus therefor, the method comprising the steps of: reporting a first power headroom report (PHR) for the first carrier wave and a second PHR for the second carrier wave; receiving transmission chain switching information for changing a setting of a transmission chain for each of the first carrier wave and the second carrier wave; and assigning first transmission power for the first carrier wave and second transmission power for the second carrier wave, wherein one or more transmission chains are assigned to the second carrier wave via the transmission chain switching information, and when a power control value set for the second carrier wave is greater than first maximum output power of the one or more transmission chains, the second transmission power can be assigned on the basis of the number of all transmission chains for performing the CA and the number of the one or more transmission chains.

Method for performing, by UE, carrier aggregation via first carrier wave and second carrier wave, in wireless communication system, and apparatus therefor

A method and an apparatus for transmitting and receiving channel state information (CSI) in a wireless communication system are disclosed. A method of performing downlink reception by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station, configuration information for two or more control resource set (CORESET) groups, each of the two or more CORESET groups including at least one CORESET; receiving, from the base station, information indicating two or more transmission configuration indicator (TCI) states; and based on the two or more TCI states, updating TCI state information for the two or more CORESET groups. Here, at least one of the two or more CORESET groups may include a specific CORESET associated with a plurality of TCI states.

Method and apparatus for downlink transmission and reception in wireless communication system

Disclosed are a method and device for transmitting and receiving an uplink in a wireless communication system. A method by which a terminal performs uplink transmission in a wireless communication system according to one embodiment of the present disclosure comprises the steps of: receiving, from a base station, first configuration information related to mapping between one or more uplink reference signals (UL RS) and one or more downlink (DL) RS; receiving, from the base station, second configuration information related to a plurality of spatial parameter candidates for uplink transmission; and performing uplink transmission in N (N≥1) transmission opportunities (TO) on the basis of at least one among N uplink default spatial parameters and N pathloss reference signals (PL RS). The N uplink default spatial parameters are respectively associated with the N TOs. The N PL RSs are respectively associated with the N TOs. The default uplink spatial parameter for a specific TO among the N TOs may be: one spatial parameter, specified by a predefined rule, among the plurality of spatial parameter candidates based on the second configuration information; or a UL RS mapped to the one spatial parameter on the basis of the first configuration information.

Method and device for transmitting and receiving uplink transmission based on default spatial parameters in wireless communication system

A method for a UE to transmit an uplink channel in a wireless communication system according to an embodiment of the present specification includes: a step for transmitting UE capability information related to a multiple panels; a step for receiving scheduling information related to the transmission of the uplink channel; and a step for transmitting the uplink channel.

Method for transmitting and receiving uplink channel in wireless communication system, and device for same

A method and apparatus for performing uplink transmission and reception in a wireless communication system are disclosed. According to an embodiment of the present disclosure, a method for performing uplink transmission in a wireless communication system may include: transmitting capability information related to a codebook subset for uplink transmission supported by the UE to a base station; receiving configuration information related to a codebook subset based on the capability information from the base station; and performing the uplink transmission based on the configuration information, and the capability information includes a first type of partial coherent codebook subset or a second type of partial coherent codebook subset, and the first type of partial coherent codebook subset includes at least one first precoding matrix having four zeros and four non-zero values per column, and the second type of partial coherent codebook subset includes at least one second precoding matrix having six zeros and two non-zero values for each column.

Method and apparatus for performing uplink transmission and reception in a wireless communication system

A method and an apparatus for transmitting and receiving a sounding reference signal (SRS) in a wireless communication system are disclosed. A method for transmitting the SRS by a terminal in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station, configuration information related to an SRS resource set for the SRS, wherein the SRS resource set includes at least one SRS resource; and transmitting, to the base station, the SRS based on the at least one SRS resource. The configuration information may include information on at least one reference resource, and based on the SRS resource set being configured with a specific usage and one reference resource being configured by the configuration information, the SRS may be transmitted based on a first spatial parameter different from a second spatial parameter corresponding to the one reference resource.

Method and apparatus for transmitting and receiving uplink signal in a wireless communication

Disclosed are a method and a device for transmitting or receiving a PUSCH in a wireless communication system. A method for transmitting a physical uplink shared channel (PUSCH) according to an embodiment of the present disclosure may comprise the steps of: receiving first configuration information related to a sounding reference signal (SRS) from a base station; receiving downlink control information (DCI) for PUSCH scheduling from the base station; and transmitting the PUSCH to the base station. On the basis that the first configuration information includes information relating to multiple SRS resource sets, the PUSCH is transmitted at N (N is a natural number) transmission occasions (TOs), and the DCI includes multiple SRS resource indicator (SRI) fields, the PUSCH may be transmitted at each of the TOs on the basis of an SRS resource in an SRS resource set identified by one SRI field among the multiple SRI fields related to each of the TOs.

Method and device for transmitting or receiving PUSCH in wireless communication system

An uplink transmission and reception method and device in wireless communication system are disclosed. A method by which a terminal performs uplink transmission in a wireless communication system, according to one embodiment of the present disclosure, may comprise the steps of: receiving configuration information related to a plurality of sounding reference signal (SRS) resource sets; receiving downlink control information (DCI), which indicates at least one from among a first SRS resource set, a second SRS resource set, or the first SRS resource set and the second SRS resource set and includes information indicating at least one SRS resource in the indicated at least one SRS resource set; and performing the uplink transmission on the basis of the indicated at least one SRS resource.

Uplink transmission and reception method and device in wireless communication system

Disclosed are a method and a device for uplink or downlink transmission/reception supporting multi-cell scheduling in a wireless communication system. According to an embodiment of the present disclosure, a method for performing uplink transmission or downlink reception by a terminal in a wireless communication system may comprise: a downlink control information (DCI) reception step of receiving, on a first cell, DCI for scheduling of an uplink physical channel or a downlink physical channel, wherein the DCI includes first information related to a scheduled cell, and second information related to a spatial parameter for the scheduled uplink physical channel or downlink physical channel; and a step of, on the basis of the DCI, performing transmission of the uplink physical channel or reception of the downlink physical channel on the scheduled cell, wherein the first information and the second information are joint-encoded by one or more fields included in the DCI.

Method and device for uplink or downlink transmission/reception supporting multi-cell scheduling in wireless communication system

The present invention provides a method of reporting, by a UE, CSI in a wireless communication system, the method comprising: receiving, from a base station, a RRC signaling that comprises a plurality of reporting settings, wherein each reporting setting comprises a corresponding list of first values representing time offsets for transmitting a CSI report, forming a plurality of lists of first values; receiving, from the base station, DCI triggering the CSI report, wherein the DCI comprises an index value related to a time at which to transmit the CSI report on a PUSCH; determining, based on the DCI, a plurality of list entries; determining a second value that is largest among the plurality of list entries; and transmitting, to the base station, the CSI report on the PUSCH based on the second value.

Method for reporting Channel State Information in wireless communication system and apparatus for the same

A method and apparatus for transmitting and receiving uplink in a wireless communication system are disclosed. A method for uplink transmission for beam failure recovery (BFR) according to an embodiment of the present disclosure includes: receiving, from a base station, configuration information related to BFR, wherein the configuration information includes information on a first beam failure detection (BFD) reference signal (RS) set and a second BFD RS set; assessing radio link quality for at least one of the first BFD RS set and the second BFD RS set; and based on detection of at least one of a first beam failure for the first BFD RS set and a second beam failure for the second BFD RS set, performing uplink transmission for BFR to the base station.

Method and apparatus for performing uplink transmission and receiving uplink transmission in wireless communication system

A method and a device for transmitting/receiving a CSI-RS in a wireless communication system are disclosed. A method for receiving an aperiodic channel state information-reference signal (CSI-RS), according to one embodiment of the present disclosure, may comprise steps of: receiving, from a base station, downlink control information (DCI) for triggering the aperiodic CSI-RS; and receiving, from the base station, the aperiodic CSI-RS on the basis of the DCI, wherein, on the basis the scheduling offset of the aperiodic CSI-RS being smaller than the beam switch timing of a terminal, a quasi co-location (QCL) assumption of a downlink signal associated with the same CORESET pool index as the CORESET pool index of a control resource set (CORESET) for the DCI can be applied for the reception of the aperiodic CSI-RS.

Method and device for transmitting/receiving CSI-RS in wireless communication system

A method of transmitting, by a user equipment (UE), power measurement information related to beam reporting in a wireless communication system includes: receiving downlink control information (DCI) triggering reporting of the power measurement information; receiving a downlink reference signal for reporting of the power measurement information; and transmitting, to a base station, power measurement information determined based on the received downlink reference signal. A minimum required time for reporting of the power measurement information is (i) calculated as the sum of a first minimum required time from the last timing of the downlink reference signal to a transmission timing of the power measurement information and a second minimum required time between DCI triggering the downlink reference signal and reception of the downlink reference signal or (ii) calculated based on a pre-configured threshold value related to reporting of the power measurement information.

Transmitting and receiving power measurement information related to beam reporting in a wireless communication system

A method and an apparatus for transmitting and receiving channel state information (CSI) in a wireless communication system are disclosed. A method of performing CSI reporting by a user equipment (UE) in a wireless communication system according to an embodiment of the present disclosure may comprise: receiving, from a base station, configuration information related to the CSI reporting; receiving, from the base station, a first CSI-reference signal (CSI-RS) and a second CSI-RS based on the configuration information; and transmitting, to the base station, CSI acquired based on the first CSI-RS and the second CSI-RS. In here, a channel measurement resource for acquiring the CSI may include a first resource for the first CSI-RS and a second resource for the second CSI-RS, and the first resource and the second resource may be respectively associated with different Control Resource Set (CORESET) pool indices.

Method and apparatus for performing transmission and reception of channel state information in wireless communication

A method and an apparatus for uplink/downlink transmission and reception based on a beam linkage state in a wireless communication system are disclosed. A method for performing uplink transmission or downlink reception according to an embodiment of the present disclosure may comprise: receiving, from a base station (BS), information on a beam linkage state (BLS), wherein the BLS includes information on a mapping relation between reference transmission and reception and at least one target transmission and reception; receiving, from the BS, information on a first spatial parameter for the reference transmission and reception which is related to a specific BLS; and performing the uplink transmission or the downlink reception based on a second spatial parameter corresponding to the first spatial parameter.

Method and apparatus for uplink/downlink transmission/reception on basis of beam linkage state in wireless communication system

Growing community of inventors

Seoul, South Korea

Jiwon Kang